EP0060890A4 - Circuit couleur a commande de gain. - Google Patents

Circuit couleur a commande de gain.

Info

Publication number
EP0060890A4
EP0060890A4 EP19810902590 EP81902590A EP0060890A4 EP 0060890 A4 EP0060890 A4 EP 0060890A4 EP 19810902590 EP19810902590 EP 19810902590 EP 81902590 A EP81902590 A EP 81902590A EP 0060890 A4 EP0060890 A4 EP 0060890A4
Authority
EP
European Patent Office
Prior art keywords
control circuit
gain control
color gain
color
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19810902590
Other languages
German (de)
English (en)
Other versions
EP0060890A1 (fr
EP0060890B1 (fr
Inventor
Nobukazu Hosoya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of EP0060890A1 publication Critical patent/EP0060890A1/fr
Publication of EP0060890A4 publication Critical patent/EP0060890A4/fr
Application granted granted Critical
Publication of EP0060890B1 publication Critical patent/EP0060890B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
EP81902590A 1980-09-11 1981-09-10 Circuit couleur a commande de gain Expired EP0060890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55127581A JPS5752288A (en) 1980-09-11 1980-09-11 Color gain variable circuit
JP127581/80 1980-09-11

Publications (3)

Publication Number Publication Date
EP0060890A1 EP0060890A1 (fr) 1982-09-29
EP0060890A4 true EP0060890A4 (fr) 1982-11-17
EP0060890B1 EP0060890B1 (fr) 1985-03-20

Family

ID=14963595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81902590A Expired EP0060890B1 (fr) 1980-09-11 1981-09-10 Circuit couleur a commande de gain

Country Status (5)

Country Link
US (1) US4477831A (fr)
EP (1) EP0060890B1 (fr)
JP (1) JPS5752288A (fr)
AU (1) AU547089B2 (fr)
WO (1) WO1982001110A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694355A (en) * 1985-09-16 1987-09-15 Eastman Kodak Company Black and white level adjustment and normalization circuit for a color video printer
JPS62227291A (ja) * 1986-03-29 1987-10-06 Toshiba Corp 自動色飽和度制御装置
US4794932A (en) * 1986-03-31 1989-01-03 Kabushiki Kaisha Toshiba Conversion control circuit for image display apparatus
US4766483A (en) * 1987-06-02 1988-08-23 Zenith Electronics Corporation Automatic color tuning system with variable gain APC circuit
JPH0748873B2 (ja) * 1987-09-21 1995-05-24 株式会社日立製作所 磁気記録再生装置
US7250985B2 (en) * 2003-09-17 2007-07-31 Matsushita Electric Industrial Co., Ltd. Color demodulation circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1183496A (en) * 1966-07-15 1970-03-04 Philips Electronic Associated Colour Television Receiver
JPS4728170B1 (fr) * 1969-05-13 1972-07-26
US3626089A (en) * 1969-11-26 1971-12-07 Motorola Inc Chroma signal processing circuit for a color television receiver
NL164172C (nl) * 1970-04-28 1980-11-17 Philips Nv Instelbare chrominantiesignaalverwerkingstrap voor een kleurentelevisieontvanger.
GB1386235A (en) * 1971-05-07 1975-03-05 Rca Corp Pal chroma processor
JPS5240947A (en) * 1975-09-27 1977-03-30 Matsushita Electric Ind Co Ltd Gain control circuit
US4054905A (en) * 1976-10-28 1977-10-18 Rca Corporation Automatic chrominance gain control system
JPS5534506A (en) * 1978-09-01 1980-03-11 Hitachi Ltd Variable gain amplifier circuit
JP2759576B2 (ja) * 1992-02-27 1998-05-28 本田技研工業株式会社 Ｆｍレーダ装置

Also Published As

Publication number Publication date
JPS5752288A (en) 1982-03-27
AU7587181A (en) 1982-04-14
EP0060890A1 (fr) 1982-09-29
US4477831A (en) 1984-10-16
WO1982001110A1 (fr) 1982-04-01
AU547089B2 (en) 1985-10-03
EP0060890B1 (fr) 1985-03-20
JPH0159797B2 (fr) 1989-12-19

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